Thanks for the website info. That explains a lot.
My terminology was wrong. I never knew that the trans tail shaft / yoke pointing down below the horizon was actually an up angle.
I set my pinion (by adjusting the swivel arms) to 2 degrees up. I was trying to emulate the "hot rod" style of parallel planes between the trans tail shaft and the pinion with working angles less than 3 on the driveshaft.
According to the website above my set up isn't acceptable as the difference between my working angles is 2 degrees. The website states that .5 is acceptable.
I am going to set my pinon angle back to the starting point of 2 down.
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